- New
16874 is a straight Flair-It swivel adapter manufactured by Elkhart Supply for fresh-water plumbing systems in recreational vehicles. It connects 3/8" PEX tubing to a 1/2" female BSP swivel connection. Made of white plastic, this fitting is designed for compatible plumbing connections, including faucets and other threaded components. Confirm the thread standard and tubing connection requirements of your installation before purchasing.